While investigating a work-at-home scam, ten "mules" have been determined. What is a "mule" in regards to work at home scams?
1) A person who is fully aware of the scam and willingly participates in it
2) The ring leader of the operations in the offending country
3) A person who unknowingly becomes a part of the scam by providing their personal information
4) A person who investigates work-at-home scams